Which sentence best interprets this excerpt from “Dulce Et Decorum Est” by Wilfred Owen?

If you could hear, at every jolt, the blood
Come gargling from the froth-corrupted lungs,
Obscene as cancer, bitter as the cud
Of vile, incurable sores on innocent tongues,
My friend, you would not tell with such high zest
To children ardent for some desperate glory,
The old Lie; Dulce et Decorum est
Pro patria mori.

a.The poet informs his readers about the suffering of British soldiers in World War I.
b.The poet advises his readers to teach their children to oppose war.
c.The poet rebukes readers for their mistaken belief that war is glorious.
d.The poet urges his readers to respect the sacrifices made by soldiers in the war.